SPF Scout · Product record
Expedition BackCountry SPF 50
Labeler: Tropical Seas
SPF 50 as labeled
U.S. formulation · record last retrieved 21 September 2026
Quick facts
Does Expedition BackCountry SPF 50 list fragrance?
We cannot say whether fragrance is listed. The ingredient list stored for this record is not recorded as complete.
What are the active ingredients in Expedition BackCountry SPF 50?
The Active ingredients block printed on the label reads: Octocrylene 10.0% Octisalate 5.0% Avobenzone 3.0%
Is Expedition BackCountry SPF 50 mineral-only?
No. The ingredient list currently stored for this U.S. formulation names Octocrylene, Octisalate, and Avobenzone.
Does Expedition BackCountry SPF 50 contain oxybenzone?
We cannot say whether oxybenzone is listed. The ingredient list stored for this record is not recorded as complete.
Each answer restates the ingredient list stored for this record. It does not predict whether your skin will react.
What is listed
The ingredient declaration stored for this formulation, reproduced exactly as it was recorded from the source below.
35 entries · the stored declaration is recorded as incomplete. An incomplete list is treated as unknown, never as a pass.
What each ingredient generally does
Each entry that matched a canonical ingredient, with the function recorded for it. These notes describe the role an ingredient plays in a formulation. They do not assess an ingredient.
An organic UV filter that absorbs ultraviolet light. It also serves as a light stabilizer, helping keep other filters and the formula intact under sunlight.
An organic UV filter that absorbs ultraviolet light, and doubles as a light stabilizer to keep the formula steady in sun. It also appears on labels as Ethylhexyl Salicylate.
An organic UV filter that absorbs ultraviolet light. It also acts as a light stabilizer, helping the formula hold up under sun exposure. On labels it also appears as Butyl Methoxydibenzoylmethane.
Water
Antiplaque (CosIng functional class)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)The base liquid that most of the other ingredients dissolve or spread into. It carries the formula and helps condition the skin surface.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
Carrageenan comes from red seaweed and is used to give products body and texture. It helps thicken and hold the formula together.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
Symphytum Officinale Root Extract
Anti-seborrheic (CosIng functional class)Skin conditioning (CosIng functional class)Soothing (CosIng functional class)An extract from comfrey roots that conditions and soothes skin. It also works as an anti-seborrheic agent, helping manage oiliness. Comfrey is its common name.
listed as “Comfrey Root”
Taraxacum Officinale Leaf Extract
Skin conditioning (CosIng functional class)This is an extract from dandelion leaves. It acts as a skin conditioner, helping keep skin feeling smooth and comfortable.
listed as “Taraxacum Officinale Leaf”
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
Sambucus Nigra Flower
Skin conditioning (CosIng functional class)The flower of the elder plant, used to condition the skin. It helps keep skin feeling soft and smooth.
No reviewed note yet.
Macrocystis Pyrifera
Viscosity control (thickens or thins the formula)A product from giant Pacific kelp used to adjust thickness. It helps give the formula the right texture and body.
No reviewed note yet.
Cymbopogon Schoenanthus Extract
Skin conditioning (CosIng functional class)Soothing (CosIng functional class)A lemongrass extract used to condition and soothe the skin. It helps skin feel soft and calm.
listed as “Cymbopogon Schoenanthus Top”
Althaea Officinalis Root
Skin conditioning (CosIng functional class)This is dried marsh mallow root used to condition the skin. It helps keep skin feeling soft and smooth.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
Camellia Sinensis Leaf Extract
Antioxidant (slows the formula oxidizing)Astringent (CosIng functional class)Emollient (softens and smooths skin)Fragrance ingredient (scent)Humectant (holds moisture)Oral care (CosIng functional class)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Tonic (CosIng functional class)UV absorber (protects the formula from light, not a sunscreen filter)An extract from tea leaves that does several jobs: it draws in and holds moisture, softens the skin, and works as an antioxidant. It also acts as an astringent and adds a mild scent. On labels this is the tea leaf extract.
listed as “Green Tea Leaf”
Phenethyl Benzoate
Emollient (softens and smooths skin)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)This works as a fragrance and an emollient, meaning it softens and smooths skin feel. It adds scent while giving the product a smoother texture on skin.
Stearic Acid
Emulsion stabilizer (keeps oil and water mixed)Fragrance ingredient (scent)Refatting (CosIng functional class)Surfactant (cleanses or mixes oil and water)Stearic Acid helps oil and water mix, keeps that blend from separating, and cleanses. It also softens skin feel and adds scent, so it keeps the product stable and smooth while contributing fragrance.
Glyceryl Stearate Se
Surfactant (cleanses or mixes oil and water)An emulsifier that helps the oil and water parts of the product stay mixed together. This keeps the formula from separating.
No reviewed note yet.
Glycerin
Denaturant (makes alcohol undrinkable)Fragrance ingredient (scent)Hair conditioning (CosIng functional class)Humectant (holds moisture)Oral care (CosIng functional class)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)Glycerin draws in and holds moisture while conditioning and protecting skin. It also dissolves other ingredients, adjusts thickness, and can add scent. On labels it may appear as glycerol.
Sodium Hydroxide
Buffering (holds the formula at a set acidity)Denaturant (makes alcohol undrinkable)Restricted in the EUSodium Hydroxide is a strongly alkaline ingredient used in tiny amounts to fine-tune a formula's acidity (buffering). This keeps the product's pH steady. It can also act as a denaturant, altering another substance so it stays fit for use in cosmetics rather than being consumed.
Cetearyl Alcohol
Emollient (softens and smooths skin)Emulsion stabilizer (keeps oil and water mixed)Foam boosting (increases foam from other ingredients)Opacifier (makes the formula less see-through)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)Viscosity control (thickens or thins the formula)A workhorse ingredient that softens skin feel, adjusts thickness, helps oil and water mix, and keeps the blend stable. In practice it thickens the product, keeps it from separating, gives a smooth feel, and can make the product look opaque. Despite its name, it behaves like a waxy solid, not a drying alcohol.
listed as “Cetostearyl Alcohol”
Polysorbate 60
Surfactant (cleanses or mixes oil and water)Polysorbate 60 helps oil and water mix into a stable, even product. It doubles as a cleansing agent that helps lift away oil and dirt.
No reviewed note yet.
Polyethylene
Abrasive (physically scrubs)Film forming (leaves a thin coating)Viscosity control (thickens or thins the formula)Polyethylene is a plastic-type material that acts as a mild scrub particle, a film former, and a thickness adjuster. That means it can smooth or polish the skin surface, leave a thin coating as the product dries, and adjust how thick the formula is.
listed as “High Density Polyethylene”
No reviewed note yet.
Cetyl Alcohol
Emollient (softens and smooths skin)Emulsion stabilizer (keeps oil and water mixed)Foam boosting (increases foam from other ingredients)Fragrance ingredient (scent)Opacifier (makes the formula less see-through)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)Viscosity control (thickens or thins the formula)A multitasking fatty alcohol that helps oil and water mix and keeps the blend stable, while softening skin. It also thickens the formula and makes it more opaque, and can boost foam and cleansing.
This is a preservative that also adds fragrance. It keeps the product from spoiling and contributes to its scent. It belongs to the paraben family of preservatives.
Diazolidinyl Urea
Preservative (inhibits microbial growth)Diazolidinyl Urea is a preservative. It helps keep the product from spoiling over time.
Propylparaben
Fragrance ingredient (scent)Preservative (inhibits microbial growth)Restricted in the EUA preservative that keeps the product from spoiling, and it also plays a role in the scent. In practice it helps the formula stay stable over time.
Caprylyl Glycol
Deodorant (masks or reduces odor)Emollient (softens and smooths skin)Hair conditioning (CosIng functional class)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)A multi-tasker that conditions skin and hair and acts as a deodorant. As an emollient it softens and smooths, leaving skin feeling conditioned.
Checking this against your own list
SPF Scout's Personal Ingredient Check runs in the app, on your device. This page cannot see a personal avoidance list. Your selections are stored on your phone and are never sent to this website. There is nowhere on our side for them to go.
In the app you choose the ingredients you already avoid, and every entry in this declaration that matches one of them is shown to you with the alias path that produced the match.
This comparison does not predict whether your skin will react.
Source quality
- Source
- DailyMed drug label
- Source record
- https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=06c1ac52-474c-db5c-e063-6294a90afb5f
- Retrieved
- 21 September 2026
- Market
- United States
- Version
- v1 of this U.S. formulation
- Source tier
- Official label document (not independently verified by us)
- Entries recorded
- 35
- Record checksum
- sha256:7fbba20e1af937575618ace2e52411f01a5548cab8f18606d1ee1562536ecc41
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